This particular episode is shot on an island, where the stars faced challenges.

But this year's episodes of the series were being shot after the movie's filming was completed.

All the episodes were shot in front of a live audience, with an added laughter track.

The last four episodes of the second season were shot as a mockumentary.

Several episodes of the series have been shot on location abroad.

Each episode was shot on location in and around London.

Each week's episodes were shot around a common theme such as movement and heights.

The episode was shot in the second half of July 2010.

Fifty episodes have been shot, and production may continue in the fall.

"They have enormous casts, so two episodes can be shot at the same time."